Research Article

Retrospective Multivariate Analysis of Data from Children with Suspected Appendicitis: A New Tool for Diagnosis

Table 1

Comparison of patient characteristics and findings between study groups (GI: gastrointestinal, CRP: C-reactive protein).

Group Non-appendicitisGroup Appendicitisp

n603355
Gender distribution (Female/Male)45.8% / 54.2%39.7% / 60.3%0.03
Mean age (years)10.6±4.610.9±4.1>0.05
Mean duration of symptoms (hours)30.51±30.6039.84±35.630.001
Continuous abdominal pain (%)20.279.20.001
Intermittent abdominal pain (%)79.620.80.001
Migration of abdominal pain (%)10.664.7≤0.001
Nausea (%)10.15.9≤0.001
Anorexia (%)54.577.3≤0.001
Bilious vomiting (%)12.146.6≤0.001
Pyrexia (%)11.133.9≤0.001
Right lower quadrant tenderness (%)95.11000.001
Guarding (%)4688.2≤0.001
Rebound (%)2370.1≤0.001
Positive heel drop test (%)5.965.6≤0.001
GI motility changes (%)7.210.4>0.05
Gurgling (%)4.926.2≤0.001
Leukocytosis (%)55.387.8≤0.001
Neutrophilia (%)44.483.3≤0.001
CRP elevation (%)33.365.6≤0.001
Negative urinalysis (%)79.685.90.05
Scoliosis to right side (%)19.451.6≤0.001
Localized air-fluid level (%)21.456.6≤0.001
Localized gas deposition (%)15.851.6≤0.001
Appendicolith (%)0.55.9≤0.001
Appendix diameter>7mm (%)11.141.6≤0.001
Appendix wall thickening (%)11.949.3≤0.001
Periappendiceal free fluid (%)18.652.5≤0.001